# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 870 - 877 of 2000

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## Question number: 870

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MCQ▾

### Question

The value of a if and .

### Choices

Choice (4) Response

a.

19

b.

5

c.

14

d.

-11

## Question number: 871

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MCQ▾

### Question

What must be subtracted from to get ?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 872

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MCQ▾

### Question

The height and radius of a cone are 6 cm and 8 cm respectively. Its curved surface area must be is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 873

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MCQ▾

Factors of

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 874

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MCQ▾

### Question

Two adjacent sides of a parallelogram are 14 cm and 11 cm. One of its diagonals is 17 cm. Then the area of parallelogram is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 875

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MCQ▾

### Question

Which step in the following problem is wrong?

Step – 1:

Step – 2:

Step – 3:

Step – 4:

### Choices

Choice (4) Response

a.

Step – 2

b.

Step – 4

c.

Step – 3

d.

Step – 1

## Question number: 876

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MCQ▾

### Question

The area of a triangle whose sides are 26,28 and 30 cm.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 877

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MCQ▾

### Question

What number should be added to so as to get ?

### Choices

Choice (4) Response

a.

b.

c.

d.

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